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Sony PCG-F490K Battery
Your Sony PCG-F490K battery makes your laptop portable which gives you the opportunity to use it anywhere in the house or even outdoors! Because no battery is the same, be sure to check the part number of the new battery and compare it to the one you are going to replace. It is OK to buy a battery with more milliamps, as it signifies that the battery can last for a longer period of time on one charge. What is important is the connection type and physical size of the battery. More amps in a battery basically means the longer you will be able to use the laptop when fully charged.
Indications the li-ion battery needs a replacement ASAP
- The laptop does not last longer than 45 minutes while unplugged
- The battery is puffed up and looking like it is going to burst
- The unit will not boot up while unplugged
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